# class and layout for one button display (with label)
<OneBut>:
    FloatLayout:
        canvas.before:
            Color:
                rgba: .8, .8, .8, 1
            Rectangle:
                size: self.size
                pos: self.pos

        Label
            id: toplabel
            color: 0,0,1,1
            text: 'Hi there'
        Button:
            text: 'Hello'
            color: 0,0,0,1
            background_normal: ''
            size_hint: (0.7,0.2)
            background_color: .9,.9,.9,
            on_press:
                root.butclick()
